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Data visualization plays a crucial role in understanding complex datasets, revealing hidden patterns, and communicating findings effectively. Fortunately, Python offers several robust libraries for creating visually appealing plots and charts.
Among them, Matplotlib, Seaborn, and Plotly stand out for their ease of use and rich feature sets. Let’s dive into each library and see some practical applications.
Matplotlib: Getting Started
Matplotlib is a versatile plotting library widely used for generating static, interactive, and animated figures. To get started, install Matplotlib using pip:
pip install matplotlib
Here’s a sample program demonstrating a few fundamental features of Matplotlib:
import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(-np.pi, np.pi, 100)
y1 = np.sin(x)
y2 = np.cos(x)
fig, ax = plt.subplots()
ax.plot(x, y1, label="$\\sin(x)$")
ax.plot(x, y2, label="$\\cos(x)$")
ax.set_xlabel('$x$')
ax.set_ylabel('$y$')
ax.legend()
plt.show()